The image is, as of this writing, available under the CreativeCommons Attribution-NonCommercial-ShareAlike 2.0 license. Check the image description page for more and/or updated licensing info, a description of the picture itself, and an important warning regarding high power lasers.

The laser pictured in my sig is not my most powerful laser. My most powerful laser is a 1200mW 445nm blue diode laser.

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